India, March 16 -- The Bharatiya Janata Party on Saturday called the Karnataka government's decision to reserve 4% of government contracts as "unconstitutional", saying that the move was part of the Congress's appeasement of the Muslim community and it weakens national unity.

Addressing a press conference, BJP leader and former Union minister Ravi Shankar Prasad said the reservation was introduced with the "full patronage and approval" of Congress leader Rahul Gandhi.

"Siddaramaiah neither has the courage nor the political capital to announce the reservation on his own. There is competitive vote-bank politics at play," Prasad said.

Karnataka deputy chief minister DK Shivakumar, however, sought to clarify that the state government's dec...